---
title: "Discussion on \"SIP vs VoIP: Call Layers, Buying Choices and India Rules\" | Hashnode"
description: "Discussion on \"SIP vs VoIP: Call Layers, Buying Choices and India Rules\". A layer-by-layer teardown of one call, and the buying decision that actually matters"
url: "https://hashnode.com/posts/sip-vs-voip/6af41bb2fd845ddbfd042139"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [SIP vs VoIP: Call Layers, Buying Choices and India Rules](https://piyuzz.hashnode.dev/sip-vs-voip?utm_source=hashnode&utm_medium=feed)

A layer-by-layer teardown of one call, and the buying decision that actually matters

2d ago · 21 min read · piyuzz.hashnode.dev  
Read the article

-   [#telephony](https://hashnode.com/tag/telephony)
-   [#architecture](https://hashnode.com/tag/architecture)
-   [#sip-trunking](https://hashnode.com/tag/sip-trunking)
-   [#voip](https://hashnode.com/tag/voip)
-   [#sip](https://hashnode.com/tag/sip)

## Written by

[Piyush Sahoo](https://hashnode.com/@piyuzz)

@piyuzz · Bengaluru, India

  
[View profile](https://hashnode.com/@piyuzz)

Founding Member, Vobiz. Writing about AI voice agents on the real phone network.

I'm a Founding Member at Vobiz, telephony for AI voice agents. I write about where voice agents meet the phone network: SIP, phone numbers, latency, echo, barge-in and everything that breaks on real calls but not in browser demos. More at piyushsahoo.me

## Responses

Markdown supported · ⌘↵ to post

No responses yet.